Nitrothiophene-accelerated lactam polymerization

Details Nitrothiophene-accelerated lactam polymerization Nitrothiophene-accelerated lactam polymerization

1978-04-21

1979-12-25

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528315, 528324, 528326, C08G 6920

Patent

active

041806506

ABSTRACT:
Processes for the anionic polymerization of lactam accelerated by the presence of nitrothiophene and certain derivatives thereof. The processes are especially applicable to the preparation of poly-2-pyrrolidone which can be molded into filaments, films, and shaped articles in general.

REFERENCES:
patent: 3721652 (1973-03-01), Barnes
U.S.P., 3,094,511, cols. 1-2.
U.S.P., 3,230,196, cols. 1-2.

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